Abstract: The invention pertains to the field of systems for locating a person, an animal, a vegetable, a parcel or more generally any entity mobile in motion or that can be moved. More precisely, the invention relates to a location device that comprises means for receiving an identification message transmitted by a reference transmitter, said identification message comprising an identifier dedicated to said reference transmitter. Said device also comprises means for determining, from a plurality of reference transmitters each having transmitted an identification message, the reference transmitter that is spatially closest to the device.